Body conformable 915 MHz microstrip array applicators for large surface area hyperthermia

The optimal treatment with hyperthermia of superficially located tumors which involve large surface areas requires applicators which can physically conform to body contours, and locally alter their power deposition patterns to adjust for nonuniform temperature caused by tissue inhomogeneities and bl...

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Bibliographic Details
Published in:IEEE transactions on biomedical engineering 1992-05, Vol.39 (5), p.470-483
Main Authors: Lee, E.R., Wilsey, T.R., Tarczy-Hornoch, P., Kapp, D.S., Fessenden, P., Lohrbach, A., Prionas, S.D.
Format: Article
Language:English
Subjects:
560400 - Other Environmental Pollutant Effects
Applicators
BIOLOGICAL EFFECTS
Blood flow
BODY TEMPERATURE
Design engineering
DISEASES
Electric Conductivity
ELECTROMAGNETIC RADIATION
Electronics, Medical - instrumentation
Equipment Design
FREQUENCY RANGE
Humans
HYPERTHERMIA
Hyperthermia, Induced - instrumentation
Hyperthermia, Induced - methods
MHZ RANGE
MHZ RANGE 100-1000
Microstrip antenna arrays
MOCKUP
Models, Structural
NEOPLASMS
Neoplasms - therapy
PHANTOMS
Power engineering and energy
RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT
RADIATIONS
RESOLUTION
SPATIAL RESOLUTION
STRUCTURAL MODELS
Surface treatment
Temperature
Testing
THERAPY
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Description
Summary:The optimal treatment with hyperthermia of superficially located tumors which involve large surface areas requires applicators which can physically conform to body contours, and locally alter their power deposition patterns to adjust for nonuniform temperature caused by tissue inhomogeneities and blood flow variations. A series of 915-MHz microstrip array applicators satisfying these criteria have been developed and clinically tested. Clinical and engineering design tradeoff's for practical devices are discussed. Measurements taken in tissue equivalent phantoms and a summary of clinical experiences with these microstrip arrays are presented.< >
ISSN:0018-9294
1558-2531
DOI:10.1109/10.135541